An introduction to coordination compounds - Square-planar complexes

5 important questions on An introduction to coordination compounds - Square-planar complexes

When does Hydrate isomerism arise?

Arises when one of the ligands is water

When does coordination isomerism arise?

Arises when there are different complex ions that form the same molecular formula: [Co(NH3)6] [Cr(CN)6] and [Cr(NH3)6][Co(CN)6].

How can a coordination compound be identified?

By looking at the linkage, ionisation, hydrate and coordination isomerism are all possible for coordination compounds
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How many isomers are expected for the complex of formula MX2L2?

For a complex of formula MX2L2, only one isomer is expected if the species is tetrahedral, but two isomers are expected if the species is square planar

How is a complex with ligands on adjacent corners of the square called? What about the opposite?

The complex with like ligands on adjacent corners of the square is called a cis isomer and the complex with like ligands opposite is the trans isomer.

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